Exam Review Question Preview (ID: 7496)


A Review On The Parts Of An Atom And The Periodic Table. TEACHERS: click here for quick copy question ID numbers.

Which subatomic particle is the smallest?
a) neutron
b) proton
c) electron
d) photon

Which subatomic particle determines what element you have?
a) neutron
b) proton
c) electron
d) photon

Which subatomic particle can be added or subtracted to create an isotope?
a) neutron
b) proton
c) electron
d) photon

The number of protons or electrons.
a) atomic mass
b) atomic number
c) isotope number
d) atomic radius

Define atomic mass.
a) The number of protons + neutrons
b) The number of electrons
c) The number of electrons + protons
d) The number of photons

Which of these represents part of a period on the periodic table of elements?
a) Li, Be, B, C, N
b) O, S, Se, Te, Po
c) B, Al, Ge, In, Tl
d) He, Ne, Ar, Kr

Which of these represents part of a family on the periodic table of elements?
a) B, Al, Ge, In, Tl
b) Li, Be, B, C, N
c) H, He
d) K, Ca, Sc

How many valence electrons can be found in helium?
a) 1
b) 2
c) 3
d) 4

Which statement is true?
a) Atoms are never electrically neutral.
b) The noble gases are not stable.
c) Most of the mass in an atom is found in the nucleus.
d) The electrons are the largest subatomic particle found in an atom.

How did Dmitri Mendeleev originally arrange the periodic table?
a) By valence electrons.
b) By the number of protons.
c) By the atomic masses.
d) By the atomic numbers.

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